Jennifer Connelly is sent to an exclusive girl's school where the cruelty of her schoolmates leads her to discover that she can telepathically communicate with all insects. There is a crazed killer on the loose. She befriends a crippled entomologist who is looked after by a chimp. She follows a fly to the killer's lair, whereupon things start to get REALLY WEIRD. One of Argento's most underrated films with a great soundtrack.